2635621

Information

• Patent Grant
• 2635621

• References
• Source

• Patent Number

  2,635,621

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1953
  71 years ago

• CPC

  • E03B9/14 - Draining devices for hydrants
  • Y10T137/3127 - With gas maintenance or application
  • Y10T137/4259 - With separate material addition
  • Y10T137/5386 - With pump or ejector
  • Y10T137/5497 - Protection against freezing
  • Y10T137/86493 - Multi-way valve unit
  • Y10T137/87684 - Valve in each inlet
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling
  • 222 - Dispensing
  • 251 - Valves and valve actuation